.main {
    background:url(../upload/adver.jpg) no-repeat;
    background-size: 1226px 462px;
}
.sidebar {
    background-color: #a29f9f;
}
.big_ad i {
    display: block;
    position: absolute;
    top: 231px;
    transform: translateY(-50%);
    width: 40px;
    height: 70px;
    line-height: 70px;
    background-color: #6b747d;
    color: #d4d4d4;
    font-size: 40px;
}
.big_ad i:nth-child(1) {
    left: 234px;
    border-radius: 0 5px 5px 0;
}
.big_ad i:nth-child(2) {
    right: 0;
    border-radius: 5px 0 0 5px;
}
.home_hero {
    height: 220px;
    background-color: #fff;
}
.home_hero .container {
    height: 170px;
    margin-bottom: 30px;
    padding-top: 20px;
}
.span4 {
    overflow: hidden;
    background-color: #5f5750;
    width: 235px;
    height: 170px;
    padding:5px 8px;
}
.home_hero .span4 li {
    display: block;
    position: relative;
    float: left;
    width: 73px;
    height: 80px;
    margin: -1px -1px 0 0 ;
    padding-top: 15px;
    border: 1px solid rgba(0,0,0,.1);
    color: #fff;
    font-size: 12px;
    text-align: center;
}
.home_hero .span4 img {
    width: 25px;
    height: 25px;
}
.home_hero .span4 ul li::after{
    position: absolute;
    left: -5px;
    top: -5px;
    background-color: #5f5750;
    width: 10px;
    height: 10px;
    border-radius: 50%;
    content: '';
}
.span5 {
    width: 991px;
    height: 170px;
}
.span5 span {   
    float: left;
    display: block;
    width: 315px;
    margin-left: 15px;
    height: 170px;
    transition: box-shadow .2s linear,-webkit-box-shadow .2s linear;
    transition-property: box-shadow, -webkit-box-shadow;
    transition-duration: 0.2s, 0.2s;
    transition-timing-function: linear, linear;
    transition-delay: 0s, 0s;
}
.span5 span:hover {
    box-shadow: 0 15px 30px rgba(0,0,0,.1);
}
.span5 span img {
    width: 100%;
    height: 100%;
}
.ad1 {
    margin-top: 30px;
}
.banner_ad {
    height: 572px;
}
.banner_ad_hd {
    height: 58px;
    margin-top: 15px;
    line-height: 58px;
}
.banner_ad_hd h2 {
    float: left;
    font-size: 25px;
    font-weight: 400;
}
.banner_ad_hd a {
    position: relative;
    float: right;
    font-size: 16px;
    padding-right: 30px;
}
.banner_ad_hd a:hover{
    color: #ff6700;
}
.banner_ad_hd a:hover i {
    background-color: #ff6700;
}
.banner_ad_hd a i {
    display: block;
    position: absolute;
    top: 18px;
    right: 0;
    background-color: #b0b0b0;
    width: 20px;
    height: 20px;
    border-radius: 10px;
}
.banner_ad_hd a i::after {
    position: absolute;
    top: 5px;
    right: 6px;
    content: '';
    width: 7px;
    height: 7px;
    border-right: 2px solid #fefcf6;
    border-top: 2px solid #fefcf6;
    transform: rotateZ(45deg);
}
.banner_ad_bd {
    height: 514px;
}
.banner_ad_bd .ad_left,
.banner_ad_bd .ad_left li {
    width: 234px;
    height: 514px;
}
.banner_ad_bd .ad_left img {
    width: 100%;
    height: 100%;
}
.banner_ad_bd .ad_right {
    width: 992px;
    text-align: center;
    perspective: 800;
    transform-style: preserve-3d;
}
.banner_ad_bd .ad_right li {
    display: block;
    float: left;
    width: 234px;
    height: 250px;
    margin-left: 14px;
    margin-bottom: 14px;
    padding: 10px 0;
    background-color: #ffffff;
    transition: box-shadow .2s linear,-webkit-box-shadow .2s linear;
    transition-property: box-shadow, -webkit-box-shadow;
    transition-duration: 0.2s, 0.2s;
    transition-timing-function: linear, linear;
    transition-delay: 0s, 0s;
}
.banner_ad_bd li:hover {
    box-shadow: 0 15px 30px rgba(0,0,0,.1);
    transform: translate3d(0,2px,0);
}
.banner_ad_bd .ad_right li:hover a {
    color: #757575; 
}

.banner_ad_bd .ad_right a img {
    width: 160px;
    height: 160px;
}
.banner_ad_bd .ad_right h4 {
    font-size: 14px;
    font-weight: 400;

}
.banner_ad_bd .ad_right p {
    font-size: 12px;
    color: #cccccc;
}
.banner_ad_bd .ad_right i {
    color: #ff7517;
    font-style: normal;
    font-size: 12px;
}
.right_banner {
    position: fixed;
    right: 0;
    top: 50%;
    width: 30px;
    border: 1px solid #f5f5f5;   
    background-color: #ffffff;
    transform: translateX(-31px);
    z-index: 3;
}
.right_banner .banner_1 {
    display: block;
    position: relative;
    float: left;
    width: 30px;
    height: 40px;
    padding: 10px 0;
    border-bottom: 1px solid #f5f5f5;
    text-align: center;
}
.right_banner .banner_1 span {
    display: none;
    position: absolute;
    left: -12px;
    top: 6px;
    height: 28px;
    line-height: 28px;
    padding: 0 10px;
    border: 1px solid #b6b6b6;
    background-color: #ffffff;
    color: #757575;
    font-size: 12px;
    white-space: nowrap;
    transform: translateX(-100%);
}
.right_banner .banner_1:first-child span {
    width: 130px;
    height: 192px;
}
.right_banner .banner_1:first-child span img {
    width: 100%;
    padding-top: 20px;
}
.right_banner .banner_1:first-child span p {
    padding: 0 20px;
    line-height: 20px;
    white-space: normal;
}
.right_banner .banner_1 span::before,
.right_banner .banner_1 span::after {
    position: absolute;
    right: 0;
    top: 50%;
    width: 0;
    height: 0;
    border: 6px solid;
    transform: translateY(-50%);
    content: '';
}
.right_banner .banner_1 span::before {
    border-color: rgba(0,0,0,0) rgba(0,0,0,0) rgba(0,0,0,0) #b6b6b6;
    right: -13px;
}
.right_banner .banner_1 span::after {
    border-color: rgba(0,0,0,0) rgba(0,0,0,0) rgba(0,0,0,0) #ffffff;
    right: -12px;
    z-index: 1;
}
.right_banner .banner_1:hover span {
    display: block;
}
.right_banner .starts {
    opacity: 1;
    transition: opacity .3s;
}
.right_banner .hover {
    opacity: 0;
    transition: opacity .3s;

}
.right_banner .banner_1:hover .starts {
    opacity: 0;
}
.right_banner .banner_1:hover .hover {
    opacity: 1;
}
.right_banner .banner_1 a img {
    position: absolute;
    top: 10px;
    left: 5px;
    width: 20px;
    height: 20px;
}